213103323505 has 8 divisors (see below), whose sum is σ = 269183145600. Its totient is φ = 161509887216.

The previous prime is 213103323491. The next prime is 213103323533. The reversal of 213103323505 is 505323301312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213103323505 - 2²⁷ = 212969105777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121596345 + ... + 1121596534.

It is an arithmetic number, because the mean of its divisors is an integer number (33647893200).

Almost surely, 2^213103323505 is an apocalyptic number.

It is an amenable number.

213103323505 is a deficient number, since it is larger than the sum of its proper divisors (56079822095).

213103323505 is a wasteful number, since it uses less digits than its factorization.

213103323505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243192903.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 213103323505 its reverse (505323301312), we get a palindrome (718426624817).

The spelling of 213103323505 in words is "two hundred thirteen billion, one hundred three million, three hundred twenty-three thousand, five hundred five".